Criminal law is one of the biggest and oldest areas of law. Criminal law exists in various forms such as articles of our constitution, Indian Penal Code, Criminal Procedure Code etc. Criminal law, by its sheer extent, constitutes one of the biggest, complex and intricate collection of laws in India. Based on a variety of sources, some of our criminal laws are very old, dating back more than a century. Criminal law is the busiest area of law. In the interest of securing justice, especially to the marginalized, the poor and the voiceless, experienced and knowledgeable experts with a heart and a conscience are required to apply and interpret criminal law.